[SPARK-4312] bash doesn't have "die"

sbt-launch-lib.bash includes `die` command but it's not valid command for Linux, MacOS X or Windows.

Closes #2898

Author: Jey Kottalam <[email protected]>

Closes #3182 from sarutak/SPARK-4312 and squashes the following commits:

24c6677 [Jey Kottalam] bash doesn't have "die"

Author: jey

sbt/sbt-launch-lib.bash

@@ -124,7 +124,8 @@ require_arg () {
   local opt="$2"
   local arg="$3"
   if [[ -z "$arg" ]] || [[ "${arg:0:1}" == "-" ]]; then
-    die "$opt requires <$type> argument"
+    echo "$opt requires <$type> argument" 1>&2
+    exit 1
   fi
 }